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Author Topic:   rpm gain from bringing up seat pressure?
Dirt Forum Racer

Total posts: 99
posted August 15, 2005 12:47 AM  
Right now my valves have about a 100 lbs on them, rules stipulate 125 lbs max, car runs fine, but is it possible to gain something by adding more shims, and increase the seat pressure.

Dirt Roller

Total posts: 9
posted August 16, 2005 07:53 PM  
Yep, you will gain drag on the lifter/cam interface. Friction robs hp.

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